Crisis energética: El futuro de los combustibles fósiles (Energy Crisis: The Future of Fossil Fuels)

Algorithms might sound like a complicated tech term, but don't be intimidated, people actually use them every day. Using accessible language and full-color photographs, this book simplifies algorithms in an easy-to-understand way. Readers will be amazed to learn that an algorithm is just a set of steps for computers to follow to get things done. STEM topics from the Next Generation Science Standards are emphasized throughout the text. Sidebars featuring key terms help readers grow their tech vocabulary, and fact boxes provide additional opportunities to learn.

The world around us is more powerful than we know. Discover how earthquakes, tsunamis, volcanic eruptions, hurricanes, and more have affected people and places around the world in this Spanish-translated nonfiction title. Through informational text, vivid images, and stunning facts and charts, readers will learn about disasters such as The Great Potato Famine, Hurricane Katrina, Mount St. Helens, the 1906 San Francisco earthquake, as well as epidemics and pandemics such as the bubonic plague and swine flu.

No faltan libros en los que los dinosaurios son representados como criaturas enormes y terribles, enzarzadas en una lucha interminable por devorar o ser devorados. Pero también los tiranosaurios y los triceratops fueron pequeños. ¿Cómo se veían los bebés de los dinosaurios? En este libro de cartón se muestran 10 especies de animales prehistóricos que apenas dan sus primeros pasos. Algunos se parecen un pájaro actual –hoy sabemos que muchos dinosaurios tenían plumas— y otros encantadores pequeños son distintos a cualquier criatura viva. En las imágenes del experto herpetólogo...

¿Dónde puedes encontrar el color azul? ¿Tiene algún significado especial este color? Los jóvenes lectores aprenderán a identificar objetos azules y los lugares donde aparecen en Azul, uno de los libros de Los niños y la ciencia: Colores. Where can you find the color blue? Does this color have any special meanings? Young readers will learn to identify blue objects and the places they appear in Blue, a Science Kids: Colors book.

You've only got one day to spend at the carnival-how do you make the most of your time? Students will learn how to measure time while reading about a fun-filled day at a carnival! This fiction Spanish book uses real-world examples to teach math concepts, and incorporates nonfiction reading to increase vocabulary and comprehension skills. The challenging practice problems, graphs, and sidebars provide many opportunities for students to practice their developing math skills, and apply what they've learned to their daily lives. Essential text features like a glossary, index, and table of...